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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020 Western Digital Corporation or its affiliates.
* Adapted from arch/arm64/kernel/efi-header.S
*/
#include <linux/pe.h>
#include <linux/sizes.h>
#include <asm/set_memory.h>
.macro __EFI_PE_HEADER
.long PE_MAGIC
coff_header:
#ifdef CONFIG_64BIT
.short IMAGE_FILE_MACHINE_RISCV64 // Machine
#else
.short IMAGE_FILE_MACHINE_RISCV32 // Machine
#endif
.short section_count // NumberOfSections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 0 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short IMAGE_FILE_DEBUG_STRIPPED | \
IMAGE_FILE_EXECUTABLE_IMAGE | \
IMAGE_FILE_LINE_NUMS_STRIPPED // Characteristics
optional_header:
#ifdef CONFIG_64BIT
.short PE_OPT_MAGIC_PE32PLUS // PE32+ format
#else
.short PE_OPT_MAGIC_PE32 // PE32 format
#endif
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long __pecoff_text_end - efi_header_end // SizeOfCode
#ifdef __clang__
.long __pecoff_data_virt_size // SizeOfInitializedData
#else
.long __pecoff_data_virt_end - __pecoff_text_end // SizeOfInitializedData
#endif
.long 0 // SizeOfUninitializedData
.long __efistub_efi_pe_entry - _start // AddressOfEntryPoint
.long efi_header_end - _start // BaseOfCode
#ifdef CONFIG_32BIT
.long __pecoff_text_end - _start // BaseOfData
#endif
extra_header_fields:
.quad 0 // ImageBase
.long PECOFF_SECTION_ALIGNMENT // SectionAlignment
.long PECOFF_FILE_ALIGNMENT // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
.short LINUX_EFISTUB_MAJOR_VERSION // MajorImageVersion
.short LINUX_EFISTUB_MINOR_VERSION // MinorImageVersion
.short 0 // MajorSubsystemVersion
.short 0 // MinorSubsystemVersion
.long 0 // Win32VersionValue
.long _end - _start // SizeOfImage
// Everything before the kernel image is considered part of the header
.long efi_header_end - _start // SizeOfHeaders
.long 0 // CheckSum
.short IMAGE_SUBSYSTEM_EFI_APPLICATION // Subsystem
.short IMAGE_DLL_CHARACTERISTICS_NX_COMPAT // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
.quad 0 // SizeOfHeapCommit
.long 0 // LoaderFlags
.long (section_table - .) / 8 // NumberOfRvaAndSizes
.quad 0 // ExportTable
.quad 0 // ImportTable
.quad 0 // ResourceTable
.quad 0 // ExceptionTable
.quad 0 // CertificationTable
.quad 0 // BaseRelocationTable
// Section table
section_table:
.ascii ".text\0\0\0"
.long __pecoff_text_end - efi_header_end // VirtualSize
.long efi_header_end - _start // VirtualAddress
.long __pecoff_text_end - efi_header_end // SizeOfRawData
.long efi_header_end - _start // PointerToRawData
.long 0 // PointerToRelocations
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
.long IMAGE_SCN_CNT_CODE | \
IMAGE_SCN_MEM_READ | \
IMAGE_SCN_MEM_EXECUTE // Characteristics
.ascii ".data\0\0\0"
#ifdef __clang__
.long __pecoff_data_virt_size // VirtualSize
#else
.long __pecoff_data_virt_end - __pecoff_text_end // VirtualSize
#endif
.long __pecoff_text_end - _start // VirtualAddress
#ifdef __clang__
.long __pecoff_data_raw_size // SizeOfRawData
#else
.long __pecoff_data_raw_end - __pecoff_text_end // SizeOfRawData
#endif
.long __pecoff_text_end - _start // PointerToRawData
.long 0 // PointerToRelocations
.long 0 // PointerToLineNumbers
.short 0 // NumberOfRelocations
.short 0 // NumberOfLineNumbers
.long IMAGE_SCN_CNT_INITIALIZED_DATA | \
IMAGE_SCN_MEM_READ | \
IMAGE_SCN_MEM_WRITE // Characteristics
.set section_count, (. - section_table) / 40
.balign 0x1000
efi_header_end:
.endm
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